Antique Covers Automatic Respirators Gas Mask pre ww1. This gas mask/respirator is over a hundred years old. It pre dates word war one. The box alone is spectacular. I fell in love with it. Any questions just ask. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Other Antique Science, Medical”. The seller is “kraestd0071_4″ and is located in this country: US. This item can be shipped to United States.